/* ==========================================================================
   ZE-DENT — Frontend Stylesheet
   Renk paleti: beyaz/kırık beyaz, koyu lacivert/antrasit, premium teal aksan
   ========================================================================== */

:root {
  --color-bg: #ffffff;
  --color-bg-alt: #f4f7f8;
  --color-ink: #12222b;
  --color-ink-soft: #4b5b63;
  --color-navy: #0f2733;
  --color-primary: #0f8a83;
  --color-primary-dark: #0b6b66;
  --color-primary-soft: #e4f4f2;
  --color-accent: #c98a4b;
  --color-border: #e4e9ea;
  --color-white: #ffffff;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 24px;
  --shadow-sm: 0 2px 10px rgba(15, 39, 51, 0.06);
  --shadow-md: 0 12px 32px rgba(15, 39, 51, 0.10);
  --font-heading: 'Plus Jakarta Sans', sans-serif;
  --font-body: 'Manrope', sans-serif;
  --header-h: 84px;
  --container-w: 1200px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-ink);
  background: var(--color-bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { font-family: var(--font-heading); color: var(--color-navy); margin: 0 0 .5em; line-height: 1.25; }
p { margin: 0 0 1em; color: var(--color-ink-soft); }
ul { list-style: none; margin: 0; padding: 0; }
.container { max-width: var(--container-w); margin: 0 auto; padding: 0 20px; }
.section { padding: 72px 0; }
.alt-bg { background: var(--color-bg-alt); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5em;
  padding: 14px 28px; border-radius: 999px; font-weight: 600; font-size: 15px;
  border: 2px solid transparent; cursor: pointer; transition: all .2s ease;
}
.btn-primary { background: var(--color-primary); color: #fff; }
.btn-primary:hover { background: var(--color-primary-dark); }
.btn-outline { background: transparent; border-color: var(--color-primary); color: var(--color-primary); }
.btn-outline:hover { background: var(--color-primary-soft); }
.btn-outline-light { background: transparent; border-color: rgba(255,255,255,.6); color: #fff; }
.btn-outline-light:hover { background: rgba(255,255,255,.12); }
.btn-block { width: 100%; margin-bottom: 10px; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100; background: rgba(255,255,255,.96);
  backdrop-filter: blur(8px); border-bottom: 1px solid var(--color-border);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: var(--header-h); gap: 24px; }
.brand-logo { height: 46px; }
.brand-text { font-family: var(--font-heading); font-weight: 800; font-size: 22px; color: var(--color-navy); }
.main-nav ul { display: flex; gap: 28px; }
.main-nav > ul > li { position: relative; }
.main-nav a { font-weight: 600; font-size: 15px; color: var(--color-ink); padding: 10px 0; }
.main-nav a:hover { color: var(--color-primary); }
.main-nav .submenu {
  position: absolute; top: 100%; left: 0; min-width: 240px; background: #fff;
  box-shadow: var(--shadow-md); border-radius: var(--radius-sm); padding: 8px; opacity: 0; visibility: hidden;
  transform: translateY(6px); transition: all .18s ease;
}
.main-nav .has-children:hover .submenu { opacity: 1; visibility: visible; transform: translateY(0); }
.main-nav .submenu li a { display: block; padding: 10px 14px; border-radius: 6px; }
.main-nav .submenu li a:hover { background: var(--color-primary-soft); }
.header-actions { display: flex; align-items: center; gap: 16px; }
.lang-switch { display: flex; gap: 6px; font-weight: 700; font-size: 13px; color: var(--color-ink-soft); }
.lang-switch a.active { color: var(--color-primary); }
.header-phone { display: flex; align-items: center; gap: 8px; font-weight: 700; color: var(--color-navy); }
.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: 0; cursor: pointer; }
.nav-toggle span { width: 24px; height: 2px; background: var(--color-navy); }

/* ---------- Hero ---------- */
.hero { position: relative; }
.hero-swiper, .hero-fallback { position: relative; height: 640px; max-height: 82vh; overflow: hidden; }
.hero-fallback { background: linear-gradient(135deg, var(--color-navy), #16404f); display: flex; align-items: center; }
.hero-bg { width: 100%; height: 640px; max-height: 82vh; object-fit: cover; }
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(15,39,51,.78) 0%, rgba(15,39,51,.35) 55%, rgba(15,39,51,.15) 100%); }
.hero-slide-content { position: absolute; top: 50%; left: 0; right: 0; transform: translateY(-50%); max-width: 620px; color: #fff; }
.hero-fallback .hero-slide-content { position: static; transform: none; color: #fff; }
.kicker { display: inline-block; text-transform: uppercase; letter-spacing: .12em; font-size: 13px; font-weight: 700; color: var(--color-accent); margin-bottom: 14px; }
.hero h1 { color: #fff; font-size: 44px; margin-bottom: 18px; }
.hero p { color: rgba(255,255,255,.85); font-size: 18px; margin-bottom: 28px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.swiper-pagination { position: absolute; bottom: 24px; }

/* ---------- Trust strip ---------- */
.trust-strip { background: var(--color-navy); padding: 36px 0; }
.trust-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center; }
.trust-number { display: block; font-family: var(--font-heading); font-size: 32px; font-weight: 800; color: #fff; }
.trust-label { color: rgba(255,255,255,.75); font-size: 14px; }

/* ---------- Sections ---------- */
.section-head { text-align: center; max-width: 640px; margin: 0 auto 48px; }
.section-footer-cta { text-align: center; margin-top: 40px; }
.grid { display: grid; gap: 28px; }
.services-grid, .doctors-grid, .blog-grid { grid-template-columns: repeat(3, 1fr); }
.video-grid { grid-template-columns: repeat(3, 1fr); }
.partners-grid { grid-template-columns: repeat(4, 1fr); }

/* ---------- Cards ---------- */
.service-card, .doctor-card, .blog-card {
  background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius-md);
  overflow: hidden; transition: box-shadow .2s ease, transform .2s ease;
}
.service-card:hover, .doctor-card:hover, .blog-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.service-card-media img, .doctor-card-media img, .blog-card-media img { width: 100%; height: 220px; object-fit: cover; }
.service-card-body, .doctor-card-body, .blog-card-body { padding: 24px; }
.service-icon { color: var(--color-primary); font-size: 22px; margin-bottom: 10px; display: block; }
.service-card h3, .doctor-card h3, .blog-card h3 { font-size: 19px; }
.service-card-link, .doctor-card-link, .blog-card-link { font-weight: 700; color: var(--color-primary); font-size: 14px; }
.doctor-title, .doctor-specialty { font-size: 14px; color: var(--color-ink-soft); margin-bottom: 2px; }
.blog-date { font-size: 13px; color: var(--color-accent); font-weight: 700; text-transform: uppercase; letter-spacing: .04em; }

/* ---------- Partners swiper ---------- */
.partner-slide { display: flex; align-items: center; justify-content: center; padding: 20px; }
.partner-slide img { max-height: 60px; width: auto; filter: grayscale(1); opacity: .7; transition: all .2s; }
.partner-slide img:hover { filter: none; opacity: 1; }

/* ---------- CTA section ---------- */
.cta-section { background: linear-gradient(135deg, var(--color-navy), var(--color-primary-dark)); text-align: center; }
.cta-section h2 { color: #fff; font-size: 32px; max-width: 680px; margin: 0 auto 28px; }
.cta-inner { display: flex; flex-direction: column; align-items: center; }

/* ---------- Video ---------- */
.video-embed { position: relative; padding-top: 56.25%; border-radius: var(--radius-md); overflow: hidden; }
.video-embed iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.video-card h3 { margin-top: 14px; }

/* ---------- Breadcrumb ---------- */
.breadcrumb { background: var(--color-bg-alt); padding: 14px 0; }
.breadcrumb ol { display: flex; gap: 8px; flex-wrap: wrap; font-size: 13px; color: var(--color-ink-soft); }
.breadcrumb li:not(:last-child)::after { content: '/'; margin-left: 8px; color: #b7c2c5; }
.breadcrumb a { color: var(--color-ink-soft); font-weight: 600; }
.breadcrumb a:hover { color: var(--color-primary); }

/* ---------- Page head ---------- */
.page-head { padding: 48px 0 0; }
.page-head h1 { font-size: 36px; }

/* ---------- Detail layouts ---------- */
.detail-layout { display: grid; grid-template-columns: 2.2fr 1fr; gap: 48px; align-items: start; }
.detail-layout.single-col { grid-template-columns: 1fr; max-width: 820px; }
.detail-cover { width: 100%; border-radius: var(--radius-md); margin: 20px 0; }
.rich-content h2, .rich-content h3 { margin-top: 1.4em; }
.rich-content img { border-radius: var(--radius-sm); margin: 16px 0; }
.sidebar-box { background: var(--color-bg-alt); border-radius: var(--radius-md); padding: 24px; margin-bottom: 24px; }
.sidebar-box ul li { margin-bottom: 10px; }
.sidebar-box ul li a { font-weight: 600; color: var(--color-ink-soft); }
.sidebar-box ul li a:hover, .sidebar-box ul li a.active { color: var(--color-primary); }
.sidebar-cta { background: var(--color-primary-soft); }

/* ---------- Doctor detail ---------- */
.doctor-detail .detail-layout { grid-template-columns: 320px 1fr; }
.doctor-detail-photo img { width: 100%; border-radius: var(--radius-md); }
.doctor-social { display: flex; gap: 10px; margin-top: 14px; }
.doctor-social a { width: 38px; height: 38px; border-radius: 50%; background: var(--color-primary-soft); color: var(--color-primary); display: flex; align-items: center; justify-content: center; }

/* ---------- Blog ---------- */
.blog-layout { display: grid; grid-template-columns: 1fr 280px; gap: 40px; }
.pagination { display: flex; gap: 8px; margin-top: 36px; }
.pagination a { width: 40px; height: 40px; display: flex; align-items: center; justify-content: center; border-radius: 50%; border: 1px solid var(--color-border); font-weight: 700; }
.pagination a.active { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }

/* ---------- Gallery ---------- */
.gallery-group { margin-bottom: 48px; }
.gallery-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.gallery-item img { width: 100%; height: 220px; object-fit: cover; border-radius: var(--radius-sm); transition: transform .2s; }
.gallery-item:hover img { transform: scale(1.03); }

/* ---------- Contact ---------- */
.contact-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.contact-map iframe { width: 100%; height: 320px; border: 0; border-radius: var(--radius-md); }
.contact-info-list { margin-top: 24px; display: grid; gap: 14px; }
.contact-info-item { display: flex; gap: 12px; align-items: flex-start; color: var(--color-ink-soft); }
.contact-info-item i { color: var(--color-primary); margin-top: 3px; }
.contact-form { background: var(--color-bg-alt); padding: 32px; border-radius: var(--radius-md); }
.form-row { margin-bottom: 18px; }
.form-row-half { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-row label { display: block; font-weight: 700; margin-bottom: 8px; font-size: 14px; }
.form-row input, .form-row textarea {
  width: 100%; padding: 12px 14px; border: 1px solid var(--color-border); border-radius: var(--radius-sm);
  font-family: var(--font-body); font-size: 15px; background: #fff;
}
.form-row input:focus, .form-row textarea:focus { outline: 2px solid var(--color-primary); border-color: var(--color-primary); }
.form-checkbox label { display: flex; gap: 10px; align-items: flex-start; font-weight: 500; font-size: 14px; }
.form-honeypot { position: absolute; left: -9999px; opacity: 0; height: 0; overflow: hidden; }
.alert { padding: 14px 18px; border-radius: var(--radius-sm); margin-bottom: 20px; font-weight: 600; }
.alert-success { background: #e3f7e9; color: #1a7a3d; }
.alert-error { background: #fdeaea; color: #b3261e; }

/* ---------- Footer ---------- */
.site-footer { background: var(--color-navy); color: rgba(255,255,255,.78); padding-top: 64px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 40px; padding-bottom: 48px; border-bottom: 1px solid rgba(255,255,255,.1); }
.footer-brand { display: inline-block; font-size: 22px; color: #fff; margin-bottom: 14px; }
.site-footer h4 { color: #fff; font-size: 15px; text-transform: uppercase; letter-spacing: .05em; margin-bottom: 18px; }
.site-footer ul li { margin-bottom: 10px; }
.site-footer ul li a { color: rgba(255,255,255,.7); }
.site-footer ul li a:hover { color: #fff; }
.footer-contact li { display: flex; gap: 10px; align-items: flex-start; margin-bottom: 14px; }
.footer-contact i { color: var(--color-primary); margin-top: 3px; }
.social-links { display: flex; gap: 10px; margin-top: 18px; }
.social-links a { width: 36px; height: 36px; border-radius: 50%; background: rgba(255,255,255,.08); display: flex; align-items: center; justify-content: center; }
.social-links a:hover { background: var(--color-primary); }
.footer-bottom { padding: 22px 0; }
.footer-bottom-inner { text-align: center; font-size: 13px; }

/* ---------- Sticky buttons ---------- */
.sticky-actions { position: fixed; right: 22px; bottom: 22px; z-index: 90; display: flex; flex-direction: column; gap: 12px; }
.sticky-btn {
  display: flex; align-items: center; gap: 10px; padding: 14px 18px; border-radius: 999px; color: #fff;
  font-weight: 700; box-shadow: var(--shadow-md); font-size: 14px;
}
.sticky-btn span { display: none; }
.sticky-whatsapp { background: #25D366; }
.sticky-phone { background: var(--color-primary); }

/* ---------- 404 ---------- */
.error-404-inner { text-align: center; padding: 60px 0; }
.error-code { font-size: 120px; font-weight: 800; color: var(--color-primary-soft); font-family: var(--font-heading); }
.error-404-inner h1 { font-size: 28px; }
.error-404-inner .hero-actions { justify-content: center; }

/* ==========================================================================
   Responsive — madde 29: 360 / 375 / 414 / 576 / 768 / 992 / 1200 / 1400
   ========================================================================== */
@media (max-width: 1200px) {
  .services-grid, .doctors-grid, .blog-grid, .video-grid { grid-template-columns: repeat(2, 1fr); }
  .partners-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 992px) {
  .main-nav { position: fixed; top: var(--header-h); left: 0; right: 0; bottom: 0; background: #fff; transform: translateX(-100%); transition: transform .25s ease; overflow-y: auto; padding: 20px; }
  .main-nav.open { transform: translateX(0); }
  .main-nav ul { flex-direction: column; gap: 4px; }
  .main-nav .submenu { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; display: none; }
  .main-nav .has-children.open .submenu { display: block; }
  .nav-toggle { display: flex; }
  .header-cta { display: none; }
  .detail-layout, .contact-layout { grid-template-columns: 1fr; }
  .doctor-detail .detail-layout { grid-template-columns: 1fr; }
  .doctor-detail-photo { max-width: 320px; }
  .blog-layout { grid-template-columns: 1fr; }
  .trust-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .gallery-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 768px) {
  .header-phone span { display: none; }
  .hero h1 { font-size: 30px; }
  .hero-swiper, .hero-fallback, .hero-bg { height: 520px; }
  .services-grid, .doctors-grid, .blog-grid, .video-grid, .partners-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .section { padding: 48px 0; }
  .sticky-actions { right: 14px; bottom: 14px; }
}

@media (max-width: 576px) {
  .services-grid, .doctors-grid, .blog-grid, .video-grid, .partners-grid, .gallery-grid { grid-template-columns: 1fr; }
  .trust-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .footer-grid { grid-template-columns: 1fr; }
  .form-row-half { grid-template-columns: 1fr; }
  .hero h1 { font-size: 26px; }
  .page-head h1 { font-size: 26px; }
}